Analysis of interatomic Contacts of Structural Units in PDB entry:
4NAS

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 4NAS entry

There are 7 chains in PDB entry 4NAS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 7	VAL 174
A	ASP 176	GLY 408
B	ASP 10	VAL 174
B	ASP 176	GLY 408
C	ASP 10	VAL 174
C	ASP 176	GLY 408
D	ARG 9	GLU 161

There are 94 helices in PDB entry 4NAS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	24	36	Right-handed alpha
Helix 2	2	A	48	53	Right-handed alpha
Helix 3	3	A	54	56	Right-handed 310
Helix 4	4	A	84	86	Right-handed 310
Helix 5	5	A	89	99	Right-handed alpha
Helix 6	6	A	100	104	Right-handed 310
Helix 7	7	A	115	120	Right-handed alpha
Helix 8	8	A	127	137	Right-handed alpha
Helix 9	9	A	155	169	Right-handed alpha
Helix 10	10	A	187	207	Right-handed alpha
Helix 11	11	A	219	221	Right-handed 310
Helix 12	12	A	222	234	Right-handed alpha
Helix 13	13	A	242	246	Right-handed alpha
Helix 14	14	A	246	256	Right-handed alpha
Helix 15	15	A	270	275	Right-handed alpha
Helix 16	16	A	282	288	Right-handed alpha
Helix 17	17	A	288	295	Right-handed alpha
Helix 18	18	A	311	324	Right-handed alpha
Helix 19	19	A	340	342	Right-handed 310
Helix 20	20	A	343	352	Right-handed alpha
Helix 21	21	A	360	365	Right-handed alpha
Helix 22	22	A	368	386	Right-handed alpha
Helix 23	23	A	389	394	Right-handed alpha
Helix 24	24	A	397	408	Right-handed alpha
Helix 25	25	B	24	36	Right-handed alpha
Helix 26	26	B	45	54	Right-handed alpha
Helix 27	27	B	84	86	Right-handed 310
Helix 28	28	B	89	99	Right-handed alpha
Helix 29	29	B	100	104	Right-handed 310
Helix 30	30	B	115	120	Right-handed alpha
Helix 31	31	B	127	137	Right-handed alpha
Helix 32	32	B	155	168	Right-handed alpha
Helix 33	33	B	187	207	Right-handed alpha
Helix 34	34	B	219	233	Right-handed alpha
Helix 35	35	B	242	246	Right-handed alpha
Helix 36	36	B	246	256	Right-handed alpha
Helix 37	37	B	270	275	Right-handed alpha
Helix 38	38	B	282	287	Right-handed alpha
Helix 39	39	B	288	295	Right-handed alpha
Helix 40	40	B	311	324	Right-handed alpha
Helix 41	41	B	340	342	Right-handed 310
Helix 42	42	B	343	352	Right-handed alpha
Helix 43	43	B	360	365	Right-handed alpha
Helix 44	44	B	369	386	Right-handed alpha
Helix 45	45	B	389	394	Right-handed alpha
Helix 46	46	B	397	408	Right-handed alpha
Helix 47	47	C	24	36	Right-handed alpha
Helix 48	48	C	46	53	Right-handed alpha
Helix 49	49	C	84	86	Right-handed 310
Helix 50	50	C	89	99	Right-handed alpha
Helix 51	51	C	100	104	Right-handed 310
Helix 52	52	C	115	120	Right-handed alpha
Helix 53	53	C	127	137	Right-handed alpha
Helix 54	54	C	155	169	Right-handed alpha
Helix 55	55	C	187	207	Right-handed alpha
Helix 56	56	C	219	221	Right-handed 310
Helix 57	57	C	222	233	Right-handed alpha
Helix 58	58	C	242	246	Right-handed alpha
Helix 59	59	C	246	256	Right-handed alpha
Helix 60	60	C	270	275	Right-handed alpha
Helix 61	61	C	282	288	Right-handed alpha
Helix 62	62	C	288	295	Right-handed alpha
Helix 63	63	C	311	324	Right-handed alpha
Helix 64	64	C	340	342	Right-handed 310
Helix 65	65	C	343	352	Right-handed alpha
Helix 66	66	C	360	365	Right-handed alpha
Helix 67	67	C	368	386	Right-handed alpha
Helix 68	68	C	389	394	Right-handed alpha
Helix 69	69	C	397	408	Right-handed alpha
Helix 70	70	D	21	23	Right-handed 310
Helix 71	71	D	24	36	Right-handed alpha
Helix 72	72	D	49	50	Right-handed 310
Helix 73	73	D	52	56	Right-handed 310
Helix 74	74	D	84	86	Right-handed 310
Helix 75	75	D	89	99	Right-handed alpha
Helix 76	76	D	100	104	Right-handed 310
Helix 77	77	D	115	120	Right-handed alpha
Helix 78	78	D	127	137	Right-handed alpha
Helix 79	79	D	155	168	Right-handed alpha
Helix 80	80	D	187	207	Right-handed alpha
Helix 81	81	D	219	221	Right-handed 310
Helix 82	82	D	222	233	Right-handed alpha
Helix 83	83	D	241	246	Right-handed alpha
Helix 84	84	D	246	256	Right-handed alpha
Helix 85	85	D	270	275	Right-handed alpha
Helix 86	86	D	282	288	Right-handed alpha
Helix 87	87	D	288	295	Right-handed alpha
Helix 88	88	D	311	324	Right-handed alpha
Helix 89	89	D	340	342	Right-handed 310
Helix 90	90	D	343	352	Right-handed alpha
Helix 91	91	D	360	365	Right-handed alpha
Helix 92	92	D	368	386	Right-handed alpha
Helix 93	93	D	389	394	Right-handed alpha
Helix 94	94	D	397	407	Right-handed alpha

There are 8 sheets in PDB entry 4NAS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	58	67	first strand
Strand 2	A	72	82	anti-parallel
Strand 3	A	11	21	anti-parallel
Strand 4	A	107	113	anti-parallel
Strand 5	A	280	281	parallel

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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	332	336	first strand
Strand 2	A	298	302	parallel
Strand 3	A	263	266	parallel
Strand 4	A	237	241	parallel
Strand 5	A	211	215	parallel
Strand 6	A	173	175	parallel
Strand 7	A	143	147	parallel
Strand 8	A	356	359	parallel

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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	58	67	first strand
Strand 2	B	72	82	anti-parallel
Strand 3	B	11	21	anti-parallel
Strand 4	B	107	113	anti-parallel
Strand 5	B	280	281	parallel

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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	332	336	first strand
Strand 2	B	298	302	parallel
Strand 3	B	263	266	parallel
Strand 4	B	237	241	parallel
Strand 5	B	211	215	parallel
Strand 6	B	173	175	parallel
Strand 7	B	143	147	parallel
Strand 8	B	356	358	parallel

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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	58	67	first strand
Strand 2	C	72	82	anti-parallel
Strand 3	C	11	21	anti-parallel
Strand 4	C	107	113	anti-parallel
Strand 5	C	280	281	parallel

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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	332	336	first strand
Strand 2	C	298	302	parallel
Strand 3	C	263	266	parallel
Strand 4	C	237	241	parallel
Strand 5	C	211	215	parallel
Strand 6	C	173	175	parallel
Strand 7	C	143	147	parallel
Strand 8	C	356	359	parallel

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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	58	67	first strand
Strand 2	D	73	82	anti-parallel
Strand 3	D	11	20	anti-parallel
Strand 4	D	107	113	anti-parallel
Strand 5	D	280	281	parallel

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There are 8 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	332	336	first strand
Strand 2	D	298	302	parallel
Strand 3	D	263	265	parallel
Strand 4	D	237	240	parallel
Strand 5	D	211	215	parallel
Strand 6	D	173	175	parallel
Strand 7	D	143	147	parallel
Strand 8	D	356	359	parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 4NAS

Analysis of interatomic Contacts of Structural Units in PDB entry:
4NAS